Finding the Fourth Proportional to 1,336.89, 1,843.93 and 965.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.89 : 1,843.93 = 965.10 : x
2. Step 2: Convert to fraction form
   1,336.89/1,843.93 = 965.10/x
3. Step 3: Cross multiply
   1,336.89x = 1,843.93 × 965.10
4. Step 4: Simplify right side
   1,336.89x = 1,779,576.84
5. Step 5: Solve for x
   x = 1,779,576.84/1,336.89
6. Step 6: Final answer
   x = 1,331.13